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Transmission electron microscopy (TEM) images of E. coli photodegraded by a Ag/TiO2/montmorillonite (MT) composite: (A) E. coli, and E. coli illuminated for (B) 0, (C) 2, and (D) 3 h under visible light. Reproduced from Wu et al. (2010) with permission from the American Chemical Society.
